autorun_chan_thread.cpp
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/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* CC/LICENSE
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "tools.h"
#include "lock.h"
#include "autorun_chan_thread.h"
#include "calldata_manager.h"
#include "node_base.h"
#include "ivr_instance_manager.h"
#include "fs_mgr.h"
#include "flow_manager.h"
extern autorun_conf_t g_autorun_conf;
extern map<string, flow_t*> g_flow_name_info_map;
AutoRunChanThread::AutoRunChanThread(base_script_t* param) : WorkerThread(param), _script(NULL) {
bzero(&_handle, sizeof(esl_handle_t));
_script = (autorun_script_t*)_param;
// if(_script&&!_script->flow){
// _script->flow=g_flow_name_info_map[_script->flow_name];
// }
}
AutoRunChanThread::~AutoRunChanThread(void) {
}
bool AutoRunChanThread::init_handle(std::string& err) {
/* for(std::vector<freeswitch_info_t>::iterator it= _script->freeswitch_info_vec.begin();
it!=_script->freeswitch_info_vec.end();++it){
if(fs_operator_t::connect(_handle,it->ip.c_str(),it->port,NULL,it->pwd.c_str())){
break;
}
}
*/ err = _handle.err;
if (_handle.connected) {
//外呼第一个节点也进行了过滤，可以去掉下面的过滤。。。
//至于我为什么没有去掉，我也不知道。。。。
if (fs_operator_t::events(_handle, ESL_EVENT_TYPE_PLAIN,
"CHANNEL_EXECUTE_COMPLETE CHANNEL_ANSWER CHANNEL_HANGUP CHANNEL_BRIDGE CHANNEL_UUID")) {
return true;
} else {
fs_operator_t::disconnect(_handle);
}
} else {
//必须的，否则handle中分配的一些变量无法进行内存回收
fs_operator_t::disconnect(_handle);
}
return false;
}
uint32_t AutoRunChanThread::execute(void* taskparam) {
//if(!_script||!_script->flow||!_script->freeswitch_info_vec.size()){
if (!_script || !_script->flow) {
IVR_WARN("脚本文件或FS配置异常，自启动流程启动失败");
return 1;
}
if (!occupy_channel()) {
return 1;
}
ivr_session_id_t ivr_s_id;
session_dynamic_resource_t* resource = (session_dynamic_resource_t*)taskparam;
time_t ct = time(NULL);
while (!g_stopped && ct >= g_autorun_script_stamp) {
std::string err;
/*
if(!init_handle(err)){
IVR_WARN("连接FS失败，自启动流程执行失败[%s]",err.c_str());
ivr_tools_t::safe_sleeps(_script->autorun_interval);
continue;
}
_script->handle = &_handle;
*/
//获取当前最优的freeswitch
fs_mgr_t::instance()->decision_fs(_script->fid);
//创建实例
IvrInstanceManager* mgr = IvrInstanceManager::get_instance();
if (IVR_SUCCESS != mgr->create_ivr_instance(_script->type, _script->fid, &ivr_s_id, *resource,
"0")) {
IVR_WARN("创建实例失败");
continue;
}
_script->session_id = ivr_s_id;
_script->timer = resource->timer;
std::string curr = ivr_tools_t::get_current_second();
ivr_tools_t::build_vars(_script->flow->name_var_map, _script->name_var_map);
*(string*)_script->name_var_map[SYS_VAR[sys_var_t::HANGUP_CAUSE]].pvalue = "user_hangup";
*(string*)_script->name_var_map[SYS_VAR[sys_var_t::CALL_BEGIN_TIME]].pvalue = curr;
*(string*)_script->name_var_map[SYS_VAR[sys_var_t::CALL_ANSWER_TIME]].pvalue = curr;
*(string*)_script->name_var_map[SYS_VAR[sys_var_t::AGENTID]].pvalue = "";
NodeBase* node = _script->flow->id_node_map[_script->flow->begin_id];
do {
node = node->run(_script);
} while (node && !g_stopped);
if (!node && _script->is_write_bill) {
IVR_TRACE("流程结束生成话单数据");
CallDataManager::get_instance()->push_calldata(_script->bill_info().c_str());
}
ivr_tools_t::destroy_vars(_script->name_var_map);
mgr->destroy_ivr_instance(ivr_s_id);
//fs_operator_t::disconnect(_handle);
if (!g_stopped) {
ivr_tools_t::safe_sleeps(_script->autorun_interval);
}
}
free_channel();
IVR_TRACE("auto chan %s stoped", _script->name.c_str());
FlowManager::detach_flow(&_script->flow);
return 0;
}
bool AutoRunChanThread::free_channel() {
std::string err;
{
rw_lock_t lock(g_autorun_chan_rwlock, true);
if (lock.locked()) {
--g_autorun_chan_num;
return true;
} else {
err = "free_channel lock autorun rwlock failed";
}
}
IVR_WARN("%s", err.c_str());
return false;
}
bool AutoRunChanThread::occupy_channel() {
ostringstream ostm;
bool result = false;
{
rw_lock_t lock(g_autorun_chan_rwlock, true);
if (lock.locked()) {
if (g_autorun_chan_num < g_autorun_conf.max_autorun_chan_num) {
++g_autorun_chan_num;
result = true;
} else {
ostm << "[OB]achieve max capability,reject service(" << g_autorun_chan_num << ")";
}
} else {
ostm << "occupy_channel lock autorun rwlock failed";
}
}
if (!result) {
IVR_WARN("%s", ostm.str().c_str());
}
return result;
}